A navy destroyer is exactly 68 miles North of an aircraft carrier, which is travelling West 21 degrees North at 18 mph. what speed and bearing must the destroyer maintain if it is to reach the aircraft carrier in exactly 3 hrs?

pre calc - A navy destroyer is exactly 68 miles North of an aircraft carrier, ...
pre calc - A navy destroyer is exactly 68 miles North of an aircraft carrier, ...
help!!!! - A navy destroyer is exactly 68 miles North of an aircraft carrier, ...
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